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CVE-2025-15621— Sparx Enterprise Architect Client does not verify the receiver of OAuth2 credentials during OpenID authentication

Quick assessment

Affected
Sparx Systems Pty Ltd. Sparx Enterprise Architect
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Sparx Enterprise Architect是澳大利亚Sparx公司的一款建模与设计工具。 Sparx Enterprise Architect存在安全漏洞，该漏洞源于OpenID身份验证期间未验证OAuth2凭据的接收者。

AI Predicted 6.1 Difficulty: Easy EPSS 0.11% · P1
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I. Basic Information for CVE-2025-15621

Vulnerability Information
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Vulnerability Title
Sparx Enterprise Architect Client does not verify the receiver of OAuth2 credentials during OpenID authentication
Source: CVE Program / CVE List V5
Vulnerability Description
Insufficiently Protected Credentials in Sparx Systems Pty Ltd. Sparx Enterprise Architect. Client does not verify the receiver of OAuth2 credentials during OpenID authentication
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N/S:P/AU:Y/V:C/RE:M
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的凭证保护机制
Source: CVE Program / CVE List V5
Vulnerability Title
Sparx Enterprise Architect 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sparx Enterprise Architect是澳大利亚Sparx公司的一款建模与设计工具。 Sparx Enterprise Architect存在安全漏洞，该漏洞源于OpenID身份验证期间未验证OAuth2凭据的接收者。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Sparx Systems Pty Ltd. Sparx Enterprise Architect 16.1.1627 -

II. Public POCs for CVE-2025-15621

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III. Intelligence Information for CVE-2025-15621

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IV. Related Vulnerabilities

Same product: Sparx Enterprise Architect
Same vendor: Sparx Systems Pty Ltd.
Same weakness: CWE-522

V. Comments for CVE-2025-15621

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